Thermopower composition dependence in ferrospinels

C. C. Wu; S. Kumarakrishnan; T. O. Mason

doi:10.1016/0022-4596(81)90079-7

Thermopower composition dependence in ferrospinels

C. C. Wu, S. Kumarakrishnan, T. O. Mason

Northwestern University

Research output: Contribution to journal › Article › peer-review

42 Citations (Scopus)

Abstract

The composition dependence of thermoelectric power (Seebeck coefficient) in ferrospinels with fixed valence foreign cations has been calculated via combined small polaron and cation distribution models. Satisfactory agreement with experimental data is achieved assuming cation distribution thermodynamic constants to be independent of foreign cation concentration. Data are analyzed for a trivalent foreign cation (Al³⁺) at elevated temperature and for divalent foreign cations (Ni²⁺, Mg²⁺, Zn²⁺) at lower temperatures.

Original language	English
Pages (from-to)	144-150
Number of pages	7
Journal	Journal of Solid State Chemistry
Volume	37
Issue number	2
DOIs	https://doi.org/10.1016/0022-4596(81)90079-7
Publication status	Published - Apr 1981

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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title = "Thermopower composition dependence in ferrospinels",

abstract = "The composition dependence of thermoelectric power (Seebeck coefficient) in ferrospinels with fixed valence foreign cations has been calculated via combined small polaron and cation distribution models. Satisfactory agreement with experimental data is achieved assuming cation distribution thermodynamic constants to be independent of foreign cation concentration. Data are analyzed for a trivalent foreign cation (Al3+) at elevated temperature and for divalent foreign cations (Ni2+, Mg2+, Zn2+) at lower temperatures.",

author = "Wu, {C. C.} and S. Kumarakrishnan and Mason, {T. O.}",

note = "Funding Information: This work was initiated under seed funding by the NSF-MRL program through the Materials Research Center of Northwestern University (Grant No. DMR76-80847) and was subsequently supported by the National Science Foundation under Grant No. DMR7P08054. The authors are grateful to Professor H. Schmalzried for helpful discussion.",

year = "1981",

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doi = "10.1016/0022-4596(81)90079-7",

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T1 - Thermopower composition dependence in ferrospinels

AU - Wu, C. C.

AU - Kumarakrishnan, S.

AU - Mason, T. O.

N1 - Funding Information: This work was initiated under seed funding by the NSF-MRL program through the Materials Research Center of Northwestern University (Grant No. DMR76-80847) and was subsequently supported by the National Science Foundation under Grant No. DMR7P08054. The authors are grateful to Professor H. Schmalzried for helpful discussion.

PY - 1981/4

Y1 - 1981/4

N2 - The composition dependence of thermoelectric power (Seebeck coefficient) in ferrospinels with fixed valence foreign cations has been calculated via combined small polaron and cation distribution models. Satisfactory agreement with experimental data is achieved assuming cation distribution thermodynamic constants to be independent of foreign cation concentration. Data are analyzed for a trivalent foreign cation (Al3+) at elevated temperature and for divalent foreign cations (Ni2+, Mg2+, Zn2+) at lower temperatures.

AB - The composition dependence of thermoelectric power (Seebeck coefficient) in ferrospinels with fixed valence foreign cations has been calculated via combined small polaron and cation distribution models. Satisfactory agreement with experimental data is achieved assuming cation distribution thermodynamic constants to be independent of foreign cation concentration. Data are analyzed for a trivalent foreign cation (Al3+) at elevated temperature and for divalent foreign cations (Ni2+, Mg2+, Zn2+) at lower temperatures.

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JO - Journal of Solid State Chemistry

JF - Journal of Solid State Chemistry

SN - 0022-4596

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ER -

Thermopower composition dependence in ferrospinels

Abstract

ASJC Scopus subject areas

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